Home / 3,712.30-5,122.94-2,033.67

Finding the Fourth Proportional to 3,712.30, 5,122.94 and 2,033.67

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Solution

The fourth proportional to 3,712.30, 5,122.94 and 2,033.67 is: 2,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.30 : 5,122.94 = 2,033.67 : x
  2. Step 2: Convert to fraction form
    3,712.30/5,122.94 = 2,033.67/x
  3. Step 3: Cross multiply
    3,712.30x = 5,122.94 × 2,033.67
  4. Step 4: Simplify right side
    3,712.30x = 10,418,369.39
  5. Step 5: Solve for x
    x = 10,418,369.39/3,712.30
  6. Step 6: Final answer
    x = 2,806.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.